The frequency of heartbeat in our body is mai | vedclass

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(B) The correct answer is $B$. The sinoatrial $(SA)$ node,often referred to as the natural pacemaker of the heart,is located in the right atrium. It g

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$SA$ Node

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(B) The correct answer is $B$. The sinoatrial $(SA)$ node,often referred to as the natural pacemaker of the heart,is located in the right atrium. It generates rhythmic electrical impulses that initiate each heartbeat. These impulses spread through the heart muscle,causing the atria to contract and setting the pace for the heart rate,thereby maintaining the frequency of heartbeats.

The frequency of heartbeat in our body is maintained by:

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